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Sediment toxicity

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Key value for chemical safety assessment

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According to column 2 of EC 1907/2006 Annex IX long-term toxicity testing shall only be proposed if the chemical safety assessment indicates the need to investigate further the effects on aquatic organisms. Oleamide does not need further investigations due to the following reasons. As the test substance is poorly soluble in water (< 0.1 mg/L) it is expected that sediments are, if at all, only exposed to very small amounts of the test substance, as amounts will be present in wastewater, they will be eliminated in common wastewater treatment plants to a large amount due to the readily biodegradability of oleamide. Furthermore, no short and long-term effects were observed to aquatic algae, daphnia and fish in the range of water solubility. Regarding, that only low amounts of the test substance can be expected in the aquatic environment and no long-term tests with sediment organisms should be performed because no effects are expected.